Home / 117,680.13-162,394.61-67,369.41

Finding the Fourth Proportional to 117,680.13, 162,394.61 and 67,369.41

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Solution

The fourth proportional to 117,680.13, 162,394.61 and 67,369.41 is: 92,967.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,680.13 : 162,394.61 = 67,369.41 : x
  2. Step 2: Convert to fraction form
    117,680.13/162,394.61 = 67,369.41/x
  3. Step 3: Cross multiply
    117,680.13x = 162,394.61 × 67,369.41
  4. Step 4: Simplify right side
    117,680.13x = 10,940,428,726.03
  5. Step 5: Solve for x
    x = 10,940,428,726.03/117,680.13
  6. Step 6: Final answer
    x = 92,967.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.